public class Example022 {
    public static void main(String[] args) {
        int[] arr;
        arr =new int[3];
        System.out.println("arr[0]= " + arr[0]);
        System.out.println("arr[1]= " + arr[1]);
        System.out.println("arr[2]= " + arr[2]);
        System.out.println(arr.length);
    }
}
